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Finding the Fourth Proportional to 63,811.98, 88,063.48 and 35,519.50

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Solution

The fourth proportional to 63,811.98, 88,063.48 and 35,519.50 is: 49,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,811.98 : 88,063.48 = 35,519.50 : x
  2. Step 2: Convert to fraction form
    63,811.98/88,063.48 = 35,519.50/x
  3. Step 3: Cross multiply
    63,811.98x = 88,063.48 × 35,519.50
  4. Step 4: Simplify right side
    63,811.98x = 3,127,970,777.86
  5. Step 5: Solve for x
    x = 3,127,970,777.86/63,811.98
  6. Step 6: Final answer
    x = 49,018.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.